Generating entanglement between quantum dots with different resonant frequencies based on Dipole Induced Transparency

Details Generating entanglement between quantum dots with different resonant frequencies based on Dipole Induced Transparency Generating entanglement between quantum dots with different resonant frequencies based on Dipole Induced Transparency

2007-03-12

arxiv.org/abs/quant-ph/0703089v2

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.78.052321

We describe a method for generating entanglement between two spatially separated dipoles coupled to optical micro-cavities. The protocol works even when the dipoles have different resonant frequencies and radiative lifetimes. This method is particularly important for solid-state emitters, such as quantum dots, which suffer from large inhomogeneous broadening. We show that high fidelities can be obtained over a large dipole detuning range without significant loss of efficiency. We analyze the impact of higher order photon number states and cavity resonance mismatch on the performance of the protocol.

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